Heating plate



FIG. 1 is a top view of the heating plate;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a left side, perspective view thereof, with the lid shown in the open position; and,

FIG. 8 is a left side, perspective view thereof, with the lid shown in the closed position. 

The ornamental design for a heating plate, as shown and described. 